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Leadership

“Work hard for your clients. Talk straight. Produce results.” Those were the words by which our founder, Herbert J. Sims lived. Today, our leadership team continues to honor those principles.

Independent and privately owned
Our senior managers are experienced financial leaders with extensive professional and industry expertise and a commitment to staying true to our founder’s values.

William Sims

William Sims

Managing Principal
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Jason Diamond, Managing Principal for HJ Sims

Jason H. Diamond

Managing Principal
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Daniel Mullane, Managing Principal for HJ Sims

Daniel J. Mullane

Managing Principal
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Aaron Rulnick

Managing Principal
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R. Jeffrey Sands

Managing Principal, General Counsel
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About CTA - Abstract ceiling
HJ Sims has a rich history of client confidence, consistent growth, and success stories.

Capital Market Update

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